Carbon has 3 isotopes: Carbon-12, carbon-13, and carbon-14. Which statement must be true? A. The sum...
Carbon has 3 isotopes: Carbon-12, carbon-13, and carbon-14. Which statement must be true?
A. The sum of %carbon-13 and %carbon-14 must be small compared to %carbon-12
B.The % of all three isotopes is probably about 33%
C. The %carbon-12 must be small
D. The %carbon-13 must be smaller than the %carbon-14
Homework Answers
C-14 is having a half-life of 5700 yrs and thus it will be present in the least amount because the other two isotopes are stable in nature.
C-12 is highly stable and present in 99.2 %
C-13 is present in 0.92 % and C-14 is present in trace amount.
thus option A is true.
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Carbon has 3 isotopes: Carbon-12, carbon-13, and carbon-14.
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